Highest Common Factor of 385, 140, 784 using Euclid's algorithm
Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
HCF Calculator using the Euclid Division Algorithm helps you to find the Highest common factor (HCF) easily for 385, 140, 784 i.e. 7 the largest integer that leaves a remainder zero for all numbers.
HCF of 385, 140, 784 is 7 the largest number which exactly divides all the numbers i.e. where the remainder is zero. Let us get into the working of this example.
Consider we have numbers 385, 140, 784 and we need to find the HCF of these numbers. To do so, we need to choose the largest integer first and then as per Euclid's Division Lemma a = bq + r where 0 ≤ r ≤ b
Highest common factor (HCF) of 385, 140, 784 is 7.
HCF(385, 140, 784) = 7
HCF of 385, 140, 784 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 385, 140, 784 is 7.
Highest Common Factor of 385,140,784 is 7
Step 1: Since 385 > 140, we apply the division lemma to 385 and 140, to get
385 = 140 x 2 + 105
Step 2: Since the reminder 140 ≠ 0, we apply division lemma to 105 and 140, to get
140 = 105 x 1 + 35
Step 3: We consider the new divisor 105 and the new remainder 35, and apply the division lemma to get
105 = 35 x 3 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 35, the HCF of 385 and 140 is 35
Notice that 35 = HCF(105,35) = HCF(140,105) = HCF(385,140) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 784 > 35, we apply the division lemma to 784 and 35, to get
784 = 35 x 22 + 14
Step 2: Since the reminder 35 ≠ 0, we apply division lemma to 14 and 35, to get
35 = 14 x 2 + 7
Step 3: We consider the new divisor 14 and the new remainder 7, and apply the division lemma to get
14 = 7 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 7, the HCF of 35 and 784 is 7
Notice that 7 = HCF(14,7) = HCF(35,14) = HCF(784,35) .
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Frequently Asked Questions on HCF of 385, 140, 784 using Euclid's Algorithm
1. What is the Euclid division algorithm?
Answer: Euclid's Division Algorithm is a technique to compute the Highest Common Factor (HCF) of given positive integers.
2. what is the HCF of 385, 140, 784?
Answer: HCF of 385, 140, 784 is 7 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 385, 140, 784 using Euclid's Algorithm?
Answer: For arbitrary numbers 385, 140, 784 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.